user.hpp

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//This file is part of Bertini 2.
//
//bertini2/system/start/user.hpp is free software: you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
//bertini2/system/start/user.hpp is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with bertini2/system/start/user.hpp.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright(C) 2015 - 2021 by Bertini2 Development Team
//
// See <http://www.gnu.org/licenses/> for a copy of the license,
// as well as COPYING.  Bertini2 is provided with permitted
// additional terms in the b2/licenses/ directory.
 
// individual authors of this file include:
// silviana amethyst, university of wisconsin eau claire

 
#pragma once
 
#include "bertini2/system/start_base.hpp"
#include "bertini2/system/start/utility.hpp"
#include "bertini2/common/config.hpp"
 
// these next two blobs solve a problem of private-ness.
// see https://stackoverflow.com/questions/4112075/trouble-overriding-save-construct-data-when-serializing-a-pointer-to-a-class-wit
 
// forward declare the User start system
namespace bertini{ namespace start_system{
    class User;
}}
 
// forward declare the function, so we can friend it below.
namespace boost { namespace serialization {
template<class Archive>
inline void save_construct_data(Archive & ar, const bertini::start_system::User * t, const unsigned int file_version);
}}
// end nonsense for friends.  so lonely, but c++ friends don't solve the irl problem at all.  
 
namespace bertini
{
    namespace start_system{
 

        class User : public StartSystem
        {
        public:
            User() = delete; // deleted because requires a reference to a System to construct
            virtual ~User() = default;

            User(System const& s, SampCont<dbl> const& solns);
            User(System const& s, SampCont<mpfr_complex> const& solns);
 
 

            unsigned long long NumStartPoints() const override;
 
            User& operator*=(Nd const& n) = delete;
 
            User& operator+=(System const& sys) = delete;
 
        private:

            Vec<dbl> GenerateStartPoint(dbl,unsigned long long index) const override;

            Vec<mpfr_complex> GenerateStartPoint(mpfr_complex,unsigned long long index) const override;
 
 
            friend class boost::serialization::access;
            template<class Archive> friend void boost::serialization::save_construct_data(Archive & ar, const User * t, const unsigned int file_version);
 
            template <typename Archive>
            void serialize(Archive& ar, const unsigned version) {
                ar & boost::serialization::base_object<StartSystem>(*this);
            }
 
            const bertini::System& user_system_;
            std::tuple<SampCont<dbl>, SampCont<mpfr_complex>> solns_;
            bool solns_in_dbl_;
        };
    }
}
 
namespace boost { namespace serialization {
template<class Archive>
inline void save_construct_data(
    Archive & ar, const bertini::start_system::User * t, const unsigned int file_version
){
    // save data required to construct instance
    ar << t->user_system_;
    ar << t->solns_in_dbl_;
 
    ar << std::get<0>(t->solns_);
    ar << std::get<1>(t->solns_);
 
}
 
template<class Archive>
inline void load_construct_data(
    Archive & ar, bertini::start_system::User * t, const unsigned int file_version
){
    // retrieve data from archive required to construct new instance
    bertini::System sys;
    ar >> sys;
 
    bool solns_in_dbl;
    ar >> solns_in_dbl;
 
    if (solns_in_dbl)
    {
        bertini::SampCont<bertini::dbl> solns;
        ar >> solns;
        ::new(t)bertini::start_system::User(sys, solns);
    }
    else
    {
        bertini::SampCont<bertini::mpfr_complex> solns;
        ar >> solns;
        ::new(t)bertini::start_system::User(sys, solns);
    }
}
}}